Description
Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, the vulnerability allows an attacker to inject iframes from any domain, bypassing the intended restrictions enforced by the allowed_iframes setting. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5.
Scores
CVSS v3
6.1
EPSS
0.0087
EPSS Percentile
75.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-74
CWE-1021
Status
published
Products (2)
discourse/discourse
3.3.0 beta1 (4 CPE variants)
discourse/discourse
< 3.2.5
Published
Jul 30, 2024
Tracked Since
Feb 18, 2026